Bijou Hills, South Dakota has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 35.2 °F (low) to 59 °F (high). Annual precipitation averages 24.1 Inches. Bijou Hills is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.1 °F | 30.0 °F | 0.49 in. |
| February | 12.6 °F | 34.6 °F | 0.61 in. |
| March | 22.4 °F | 46.2 °F | 1.09 in. |
| April | 33.3 °F | 57.9 °F | 2.72 in. |
| May | 45.4 °F | 69.2 °F | 3.59 in. |
| June | 56.5 °F | 79.8 °F | 3.96 in. |
| July | 61.8 °F | 87.0 °F | 2.99 in. |
| August | 59.3 °F | 84.9 °F | 2.97 in. |
| September | 49.9 °F | 76.9 °F | 2.43 in. |
| October | 36.1 °F | 61.5 °F | 1.88 in. |
| November | 23.3 °F | 46.1 °F | 0.78 in. |
| December | 13.2 °F | 33.4 °F | 0.55 in. |
| Annual | 35.2 °F | 59 °F | 24.06 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 Days |
| Plant Hardiness Zone | Zone 5a : -20°F to -15°F |
| Plant Hardiness Zone - 2012 | Zone 5a : -20°F to -15°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |